Middle Duck Island is a Island located in Manitoulin, Ontario and has an elevation of 177 meters.

• Latitude: 45° 42' 31'' North   (decimal: 45.7086111)
• Longitude: 82° 55' 33'' West   (decimal: -82.9258333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 177 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: Middle Duck Island
• GPS Coordinate Locator Map: Middle Duck Island Lat/Long